On TV: will.i.am, Diddy, Ludacris

Rap acts on television this week include:

Sean ‘Diddy’ Combs, who visits ‘The Ellen DeGeneres Show’ (Syndicated) on Monday.

Ludacris, who visits ‘Chelsea Lately’ (E!) on Monday.

will.i.am, who visits ‘Last Call with Carson Daly’ (NBC) and ‘Tavis Smiley’ (PBS) on Thursday.